Sintesis biodiesel dari mikroalga Nannochloropsis sp. melalui reaksi transesterifikasi menggunakan katalis heterogen CuO/Zeolit = Synthesize of biodiesel from Nannochloropsis sp. microalgae through transesterification reaction using heterogeneous catalysts CuO/Zeolite - Dwini Normayulisa Putri, author (2016)